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    Method, Network Element, and Mobile Station for Negotiating Encryption Algorithms
    2.
    发明申请
    Method, Network Element, and Mobile Station for Negotiating Encryption Algorithms 审中-公开
    方法，网元和移动台协商加密算法

    公开(公告)号：US20150104020A1

    公开(公告)日：2015-04-16

    申请号：US14550734

    申请日：2014-11-21

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Jing Chen ,  Yongfeng Deng ,  Aiqin Zhang ,  Jun Qin

    IPC: H04L29/06 ,  H04W12/04

    CPC classification number: H04L63/0457 ,  G06F21/34 ,  G06F21/602 ,  G06F2221/2103 ,  G06F2221/2107 ,  G06F2221/2111 ,  H04L9/12 ,  H04L63/0428 ,  H04L63/062 ,  H04L63/205 ,  H04W12/02 ,  H04W12/04 ,  H04W12/06 ,  H04W12/08

    Abstract: A method, network element, and mobile station (MS) are disclosed. The method includes: obtaining information that a plug-in card of the MS does not support a first encryption algorithm; deleting the first encryption algorithm from an encryption algorithm list permitted by a core network element according to the information that the plug-in card of the MS does not support the first encryption algorithm; sending the encryption algorithm list excluding the first encryption algorithm to an access network element, so that the access network element selects an encryption algorithm according to the encryption algorithm list excluding the first encryption algorithm and the MS capability information sent from the MS and sends the selected encryption algorithm to the MS. By using the method, network element, and MS, errors due to the fact that the plug-in card of the MS does not support an encryption algorithm may be avoided during the encryption process.

    Abstract translation: 公开了一种方法，网元和移动台（MS）。 该方法包括：获得MS的插件卡不支持第一加密算法的信息; 根据MS的插件卡不支持第一加密算法的信息，从核心网元允许的加密算法列表中删除第一加密算法; 将不包括第一加密算法的加密算法列表发送到接入网元，使得接入网元根据除了第一加密算法之外的加密算法列表和从MS发送的MS能力信息选择加密算法，并发送所选择的 加密算法到MS。 通过使用该方法，网元和MS，由于MS的插件卡不支持加密算法的事实可能在加密处理期间被避免。

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